Question

please answer this question ​

Answer 1

Answer:

Step-by-step explanation:

tan12×tan38×tan52×tan60×tan78

tan(90-78)×tan(90-52)×tan58×tan60×tan78

cot78×cot58×tan58×tan60×tan78. (tan90-¤=cot¤)

cot78×tan78×cot58×tan58×tan60

1/tan78×tan78×1/tan58×tan58×tan60

(1/tan¤=cot¤)

1×1×root3. (tan60=root3)

ROOT 3 is the answer

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